18 July. Saturday 2026
Yamaha YZ125 - 2018 Specifications and Reviews
The 2018 Yamaha YZ125 is a lightweight 125cc two-stroke dirt bike engineered for amateur and intermediate motocross riders seeking competitive performance. Known for its aggressive power delivery and nimble handling, this machine excels in technical terrain and tight sections where its compact 93.9kg frame becomes an advantage. The YZ125 remains a popular choice for riders developing their skills on the transition between smaller 85cc bikes and larger 250cc machines.
General information | |
| Category | Cross / motocross |
| Year | 2018 |
| Model | Yamaha YZ125 |
Engine and Transmission Specifications | |
| Clutch | Multiplate wet clutch |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Premix |
| Ignition | CDI |
| Fuel system | Carburettor. Mikuni TMX 38 |
| Bore x Stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Compression | 10.7:1 |
| Engine details | Reed-valve-inducted |
| Engine type | Single cylinder, two-stroke |
Brakes, suspension, Frame and wheels | |
| Wheels | Dunlop® MX52 |
| Rear brakes diameter | 245 mm (9.6 inches) |
| Rear brakes | Single disc. Hydraulic. |
| Front brakes diameter | 250 mm (9.8 inches) |
| Front brakes | Single disc. Hydraulic. |
| Rear tyre | 100/90-19 |
| Front tyre | 80/100-21 |
| Rear wheel travel | 315 mm (12.4 inches) |
| Rear Suspension | KYB® single shock; fully adjustable |
| Front wheel travel | 300 mm (11.8 inches) |
| Front Suspension | KYB® Speed-Sensitive System inverted fork; fully adjustable |
| Trail | 109 mm (4.3 inches) |
| Rake (fork angle) | 26.0° |
| Frame type | Semi-double cradle aluminium frame |
| | |
Physical measures and capacities | |
| Oil capacity | 0.70 litres (0.05 quarts) |
| Fuel capacity | 8.00 litres (2.11 gallons) |
| Wheelbase | 1,443 mm (56.8 inches) |
| Ground clearance | 366 mm (14.4 inches) |
| Overall width | 828 mm (32.6 inches) |
| Overall length | 2,136 mm (84.1 inches) |
| Overall height | 1,295 mm (51.0 inches) |
| Seat height | 975 mm (38.4 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 93.9 kg (207.0 pounds) |
Other specs | |
| Factory warranty | 30 Day Limited Factory Warranty |
| Starter | Kick |
| Color options | Team Yamaha Blue |
Shop & Insure This Bike
Rider Reviews
Total comments: 1
MotorcycleDB Review
The 2018 Yamaha YZ125 is a powerful and reliable motocross bike that is perfect for riders of all skill levels. Its 125cc engine provides plenty of power for taking on challenging tracks, while its lightweight and agile design make it easy to handle. The bike's responsive suspension and precise handling make it a top choice for motocross enthusiasts who want a competitive edge on the track. Overall, the 2018 Yamaha YZ125 is a top-performing motocross bike that delivers impressive power, handling, and reliability. Whether you're a beginner looking to improve your skills or a seasoned rider in need of a high-performance machine, the YZ125 is a great choice. With its sleek design and advanced features, this bike is a standout in its class and is sure to impress riders of all experience levels.Add a Comment
Related Motorcycle Specifications
- Motorcycles in database: 36900
- Technical specifications: 1251993
- Images of motorcycles: 63755
- Videos: 339
- Manufacturers: 502
Please Login or Register if you would like to leave a comment.